Talks


Whenever I get the chance, I love speaking about open source. Here’s an archive of my past and upcoming talks.

Upcoming

  • Native AF_VSOCK API for userspace device emulation
    Stefano Garzarella - LPC 2026 (Oct 5-7, 2026), Prague, Czechia
    Abstract

  • AF_VSOCK: Namespaces, Zerocopy, and Beyond
    Stefano Garzarella, Bobby Eshleman - KVM Forum 2026 (Nov 12-13, 2026), Vancouver, Canada
    Abstract

2026

  • rust-vmm evolution on ecosystem and monorepo
    Ruoqing He, Stefano Garzarella - FOSDEM 2026, Brussels, Belgium
    Abstract & Video | Slides

  • Where should my VIRTIO device live?
    Stefano Garzarella - FOSDEM 2026, Brussels, Belgium
    Abstract & Video | Slides

2025

  • A Linux Bus for SVSM Services: Build New, Reuse VIRTIO, or Both?
    Stefano Garzarella - LPC 2025, Tokyo, Japan (Remote)
    Abstract | Slides | Video

  • COCONUT SVSM: From Persistent State to New Trusted Services
    Oliver Steffen, Stefano Garzarella - KVM Forum 2025, Milan, Italy
    Abstract & Video | Slides

  • rust-vmm: updates, adoption, and future directions
    Ruoqing He, Stefano Garzarella, Patrick Roy - KVM Forum 2025, Milan, Italy
    Abstract & Video | Slides

  • Updates on Coconut SVSM: Secure Services and Stateful Devices for Confidential Virtual Machines
    Stefano Garzarella, Oliver Steffen - FOSDEM 2025, Brussels, Belgium
    Abstract & Video | Slides

  • Can QEMU and vhost-user devices be used on macOS and *BSD?
    Stefano Garzarella - FOSDEM 2025, Brussels, Belgium
    Abstract & Video | Slides

2024

  • Coconut-SVSM: Early attestation to unlock persistent state
    Stefano Garzarella, Oliver Steffen - KVM Forum 2024, Brno, Czech Republic
    Abstract & Video | Slides

  • SVSM vTPM: From Boot Attestation to Persistent Storage and Beyond
    Claudio Carvalho, Stefano Garzarella, Tyler Fanelli - LPC 2024, Vienna, Austria
    Abstract | Slides | Video

  • News from the COCONUT-SVSM community
    Jörg Rödel, Claudio Carvalho, Gheorghe Almasi, Oliver Steffen, Stefano Garzarella, Ralph Waldenmaier - OC3 2024
    Video

2023

  • ublk: virtual block devices in user space
    Stefano Garzarella, German Maglione - DevConf.CZ 2023, Brno, Czech Republic
    Abstract | Slides | Video

2022

  • QEMU-Storage-Daemon and libblkio: Exploring New Shores for the QEMU Block Layer
    Kevin Wolf, Stefano Garzarella - KVM Forum 2022, Dublin, Ireland
    Abstract & Video | Slides

2021

  • vdpa-blk: Unified Hardware and Software Offload for virtio-blk
    Stefano Garzarella - KVM Forum 2021
    Abstract & Video | Slides

  • Leveraging virtio-vsock in the cloud and containers
    Stefano Garzarella, Andra Paraschiv - FOSDEM 2021
    Abstract & Video | Slides

2020

  • Speeding Up VM’s I/O Sharing Host’s io_uring Queues With Guests
    Stefano Garzarella - KVM Forum 2020
    Abstract & Video | Slides

  • VSOCK: VM<->host socket with minimal configuration
    Stefano Garzarella - DevConf.CZ 2020, Brno, Czech Republic
    Abstract | Slides | Video

2019

  • virtio-vsock in QEMU, Firecracker and Linux: Status, Performance and Challenges
    Stefano Garzarella, Andra Paraschiv - KVM Forum 2019, Lyon, France
    Abstract & Video | Slides

2015

  • ptnetmap: A netmap passthrough for virtual machines
    Stefano Garzarella - AsiaBSDCon 2015, Tokyo, Japan
    Slides

2014

  • Software segmentation offloading for FreeBSD
    Stefano Garzarella - EuroBSDcon 2014, Sofia, Bulgaria
    Slides | Video